#3F9FC0#3F9FC0

#3F9FC0 is a light, moderate cyan. Relative luminance 0.297; OKLCH L 66.0% C 0.101 H 224.4°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#3F9FC0
RGB	rgb(63, 159, 192)
HSL	hsl(195, 51%, 50%)
HSV	hsv(195, 67%, 75%)
CMYK	cmyk(67.2%, 17.2%, 0%, 24.7%)
CIE-LAB	lab(61.36, -17.59, -25.25)
CIE-LCH	lch(61.36, 30.77, 235.14°)
OKLab	oklab(65.96% -0.0721 -0.0705)
OKLCH	oklch(65.96% 0.101 224.4)
XYZ	xyz(23.9586, 29.6562, 54.3205)
Luminance	0.2966 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9FC0 #C0603F

analogous

#3FC0A1 #3F9FC0 #3F5EC0

triadic

#3F9FC0 #C03F9F #9FC03F

tetradic

#3F9FC0 #A13FC0 #C0603F #5EC03F

square

#3F9FC0 #A13FC0 #C0603F #5EC03F

split-complementary

#3F9FC0 #C03F5E #C0A13F

monochromatic

#215364 #307992 #3F9FC0 #6DB6CF #9BCDDE

Accessibility & contrast

On white

3.03

#3F9FC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.93

#3F9FC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9FC0

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9FC0	#FFFFFF	#000000	##000000
##3F9FC0	1.00	3.03	6.93	6.93
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.93	21.00	1.00	1.00
##000000	6.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D9CC2

Deuteranopia (green-blind)

#7B8EC0

Tritanopia (blue-blind)

#00A9AA

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #3f9fc0;
/* rgb */ color: rgb(63, 159, 192);
/* oklch */ color: oklch(66.0% 0.101 224.4);

Tailwind

colors: {
  custom: {
    50: '#83bbd3',
    500: '#3f9fc0',
    950: '#000000',
  },
}

SCSS

$custom: #3f9fc0;
$custom-light: #83bbd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9fc0",
  "rgb": {
    "r": 63,
    "g": 159,
    "b": 192
  },
  "hsl": {
    "h": 195.349,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.65965,
    "c": 0.10088,
    "h": 224.4
  },
  "luminance": 0.29659
}

Semantic roles & 50–950 ramp

primary

#3F9FC0

secondary

#CA9F91

accent

#724EDA

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #3F9FC0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →